Crystal Palace fans have demanded the club sack Roy Hodgson in the wake of their nightmare 5-0 defeat to Arsenal on Saturday. The Eagles went into the game hoping to improve having struggled for form prior to the winter break. But Arsenal ran riot on home turf to pick up all three points and boost their chances of winning the Premier League title. Gabriel put the Gunners ahead, with an own goal from Dean Henderson doubling their advantage. Leandro Trossard scored Arsenal’s third goal of the game, with a late brace from Gabriel Martinelli then completing the rout. Palace were poor throughout an…